Magic_Game/src/kiwano/renderer/Image.h

// Copyright (c) 2016-2018 Kiwano - Nomango
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#pragma once
#include "win32/D2DDeviceResources.h"

namespace kiwano
{
	// ͼ<><CDBC>
	class KGE_API Image
	{
	public:
		Image();

		explicit Image(
			String const& file_path
		);

		explicit Image(
			Resource const& res
		);

		explicit Image(
			ComPtr<ID2D1Bitmap> const& bitmap
		);

		virtual ~Image();

		// <20><><EFBFBD>ر<EFBFBD><D8B1><EFBFBD><EFBFBD>ļ<EFBFBD>
		bool Load(
			String const& file_path
		);

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
		bool Load(
			Resource const& res
		);

		// <20><>Դ<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD>Ч
		bool IsValid() const;

		// <20><>ȡλͼ<CEBB><CDBC><EFBFBD><EFBFBD>
		Float32 GetWidth() const;

		// <20><>ȡλͼ<CEBB>߶<EFBFBD>
		Float32 GetHeight() const;

		// <20><>ȡλͼ<CEBB><CDBC>С
		Size GetSize() const;

		// <20><>ȡλͼ<CEBB><CDBC><EFBFBD>ؿ<EFBFBD><D8BF><EFBFBD>
		UInt32 GetWidthInPixels() const;

		// <20><>ȡλͼ<CEBB><CDBC><EFBFBD>ظ߶<D8B8>
		UInt32 GetHeightInPixels() const;

		// <20><>ȡλͼ<CEBB><CDBC><EFBFBD>ش<EFBFBD>С
		math::Vec2T<UInt32> GetSizeInPixels() const;

		// <20><><EFBFBD><EFBFBD>λͼ<CEBB>ڴ<EFBFBD>
		void CopyFrom(Image const& copy_from);

		// <20><><EFBFBD><EFBFBD>λͼ<CEBB>ڴ<EFBFBD>
		void CopyFrom(Image const& copy_from, Rect const& src_rect, Point const& dest_point);

	public:
		// <20><>ȡԴλͼ
		ComPtr<ID2D1Bitmap> GetBitmap() const;

		// <20><><EFBFBD><EFBFBD>Դλͼ
		void SetBitmap(ComPtr<ID2D1Bitmap> bitmap);

		// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ظ<EFBFBD>ʽ
		D2D1_PIXEL_FORMAT GetPixelFormat() const;

	protected:
		ComPtr<ID2D1Bitmap>	bitmap_;
	};
}